condition mean min max Sterile Leaflet 2.27296 0.0 4.6728 Fertile Leaflet with Sori 2.8751 2.45414 3.48896 Petiole 0.05123 0.0 0.15369 Crozier 0.2212936666666667 0.0 0.663881 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0